By Rob Lenihan Hackers posted a notice of a fake YouTube partnership announcement that included a link to a phishing site. OpenSea, the leading marketplace for nonfungible tokens, or NFTs, said Friday that it is “actively investigating” a breach of its main Discord channel. “Do not click links in our Discord,” the company tweeted. “We are continuing to investigate this situation and will share information as we have it.” ‘Malicious Links’The hackers posted a notice of a fake YouTube partnership announcement that included a link to a phishing site. OpenSea said in a statement that “an attacker …